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InterviewSolution
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37A variable force, given by the 2-dimensional vector F= (3x^2i+4j), acts on a particle. The force is in newton and x is in metre. What is the change in the kinetic energy of the particle as it moves from the point with coordinates (2, 3) to (3, 0)? ( The coordinates are in metres.)(a) -7J(d) +19 J(c) +7J(b) zero |
| Answer» 37A variable force, given by the 2-dimensional vector F= (3x^2i+4j), acts on a particle. The force is in newton and x is in metre. What is the change in the kinetic energy of the particle as it moves from the point with coordinates (2, 3) to (3, 0)? ( The coordinates are in metres.)(a) -7J(d) +19 J(c) +7J(b) zero | |